SAND MOLDING MEDIA FOR IRON CASTINGS

摘要

A sand molding medium for the use in founding of iron. The medium includes wettable uintaite as a carbon source supplemental to sea coal. The wettable uintaite is included in a carbon additive that is combine d with sea coal to formulate the carbon component of an a pre-mix. The pre-mix also includes a clay component. The pre-mix is combined with sand to formulate the sand molding medium.